轴承代号: NACHI 780/772 - 英制圆锥滚子轴承
轴承尺寸
d = 101.6
D = 180.975
B = 48.006
T = 47.625
C = 38.1
a = 8.1
da(min) = 119
db(max) = 113
Da(min) = 161
Db(min) = 168
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 780
Mass(Cup) = 772
额定动负荷: 278000
额定静负荷: 415000
极限转速（润滑脂润滑）: 2000
极限转速（油润滑） 2700
